Invert string
Write afunction, its function is to reverse the input string. Enter the string toCharacter arrayThe form of char[] is given.
Don't give to other onesArrayAllocate extra space, you have to modify the input array in place and use the extra space of O(1) to solve this problem.
You can assume that all characters in the array are ASCIICode tableprintable characters in.
Example 1:
Enter: ["h","e","l","l","o"]
Output: ["o", "l", "l", "e", "h"]
Example 2:
Input: ["H", "a", "n", "n", "a", "h"]
Output: ["h", "a", "n", "n", "a", "H"]